Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10426991 | Exercise device | — | 2019-10-01 |
| D439291 | Prone torso exerciser | Charles Ho | 2001-03-20 |
| 6071217 | Prone torso exerciser | — | 2000-06-06 |
| D419625 | Prone torso exerciser | Charles Ho | 2000-01-25 |
| 5857948 | Self-conformable head support | — | 1999-01-12 |
| 5398019 | Portable sensor for detecting bends of the back of a person past a predetermined lumbosacral angle | John Pfeifer | 1995-03-14 |
| 5259833 | Back bending motion limiting apparatus | — | 1993-11-09 |